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Diamond Audio H102

1000W Peak (500W RMS) 10" HEX Series Dual 2-ohm Car Subwoofer

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1000W Peak (500W RMS) 10" HEX Series Dual 2-ohm Car Subwoofer

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Dual 2 ohm
• Kevlar Reinforced Semi-Pressed Paper Cone
• Mount depth: 7"
• Sensitivity: 81 dB

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$459.99

In stock.

Diamond Audio H124

1200W Peak (600W RMS) 12" HEX Series Dual 4-ohm Car Subwoofer

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1200W Peak (600W RMS) 12" HEX Series Dual 4-ohm Car Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Kevlar Reinforced Semi-Pressed Paper Cone
• Mount depth: 7.4"
• Sensitivity: 85.5 dB

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$519.99

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Diamond Audio H154

1500W Peak (750W RMS) 15" HEX Series Dual 4-ohm Car Subwoofer

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1500W Peak (750W RMS) 15" HEX Series Dual 4-ohm Car Subwoofer

• Peak Power: 1500 watts
• RMS Power: 750 watts
• Impedance: Dual 4 ohm
• Kevlar Reinforced Semi-Pressed Paper Cone
• Mount depth: 7.8"
• Sensitivity: 86.0 dB

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$679.99

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Diamond Audio H152

1500W Peak (750W RMS) 15" HEX Series Dual 2-ohm Car Subwoofer

H152 big
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1500W Peak (750W RMS) 15" HEX Series Dual 2-ohm Car Subwoofer

• Peak Power: 1500 watts
• RMS Power: 750 watts
• Impedance: Dual 2 ohm
• Kevlar Reinforced Semi-Pressed Paper Cone
• Mount depth: 7.8"
• Sensitivity: 86.0 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $68.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

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$679.99

In stock.

Diamond Audio H104

1000W Peak (500W RMS) 10" HEX Series 10" Dual 4-ohm Car Subwoofer

H104 big
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1000W Peak (500W RMS) 10" HEX Series 10" Dual 4-ohm Car Subwoofer

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Dual 4 ohm
• Kevlar Reinforced Semi-Pressed Paper Cone
• Mount depth: 7"
• Sensitivity: 81 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $46.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

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$459.99

In stock.

Diamond Audio HXP104

1400W Peak (700W RMS) 10" HEX Pro Series Dual 4-ohm Car Subwoofer

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1400W Peak (700W RMS) 10" HEX Pro Series Dual 4-ohm Car Subwoofer

• Peak Power: 1400 watts
• RMS Power: 700 watts
• Impedance: Dual 4 ohm
• Composite Fiber Cone
• Nitrile Butadiene Rubber NBR Surround
• Mount depth: 7.5"
• Sensitivity: 81.2 dB

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$879.99

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    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    FAQ for Subwoofer and Sub Box Upgrades in 1971 99

    Q: Can I upgrade or change the Subwoofer and Sub Box Upgrades in 1971 Saab 99?

    A: Yes this page includes all the best Subwoofer and Sub Box Upgrades that work in your 99.

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    1971 Saab 99

    2008 Mazda B2300

    2018 Kia Niro EV

    2000 Daewoo Daewoo -SEOLD

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    • Vehicle produced after 2005: Inside driver's side door
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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.